diff --git a/tests/php-unit-tests/phpunit.xml.dist b/tests/php-unit-tests/phpunit.xml.dist
index 8273b60c3..f16e89560 100644
--- a/tests/php-unit-tests/phpunit.xml.dist
+++ b/tests/php-unit-tests/phpunit.xml.dist
@@ -57,6 +57,7 @@
 
     <testsuite name="Extensions">
       <directory>../../env-production/*/test</directory>
+      <directory>../../env-production/*/tests/php-unit-tests</directory>
     </testsuite>
 
     <!-- Integration tests -->